Fandom - The entertainment site where fans come first.
DokuWiki - DokuWiki is a simple to use and highly versatile Open Source wiki software that doesn't require a database.
Wikiful - Wikiful is an online platform that makes it easy to build and share a wiki.
Wiki.js - An open source, modern and powerful wiki app built on Node.js, Git, and Markdown.
Investopedia - Investopedia has a lot of information to share with business mind people.
TiddlyWiki - a non-linear personal web notebook